<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	
	public $_id;
	
	
	public function authenticate()
	{
		
		$username = strtolower($this->username);
		
		$user = User::model()->find('LOWER(username)=?',array(strtolower($this->username)));
		
		if($user == null)
			$this->errorCode = self::ERROR_USERNAME_INVALID;
		
		else if(!$user->validatePassword($this->password))
			
			$this->errorCode = self::ERROR_PASSWORD_INVALID;
		
		else
		{
			
			$this->_id = $user->id;
			$this->username = $user->username;
			$this->errorCode = self::ERROR_NONE;
			
		}
		
		return $this->errorCode == self::ERROR_NONE;
		
	}
	
	public function getId()
	{
		return $this->_id;
	}
	
}